Dyeing Your Koi Pond with Mulch: Is It Safe? How to Do It Right?
What is Mulch Dye and How Does It Work in Ponds? Mulch dye is a popular solution to enhance the appearance of koi ponds while also performing some important functions. Essentially, it is a coloring agent that transforms the water in your pond into a delicate shade of blue, green, or black. The dye does not negatively impact the water quality or harm the fish, but it does help reduce the amount of sunlight that penetrates the pond. … »